1 //===-- Unittests for rename ----------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "include/llvm-libc-macros/linux/sys-stat-macros.h"
10 #include "include/llvm-libc-macros/linux/unistd-macros.h"
11 #include "src/errno/libc_errno.h"
12 #include "src/fcntl/open.h"
13 #include "src/stdio/rename.h"
14 #include "src/unistd/access.h"
15 #include "src/unistd/close.h"
16 #include "test/UnitTest/ErrnoSetterMatcher.h"
17 #include "test/UnitTest/Test.h"
18
TEST(LlvmLibcRenameTest,CreateAndRenameFile)19 TEST(LlvmLibcRenameTest, CreateAndRenameFile) {
20 // The test strategy is to create a file and rename it, and also verify that
21 // it was renamed.
22 LIBC_NAMESPACE::libc_errno = 0;
23 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
24 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Succeeds;
25
26 constexpr const char *FILENAME0 = "rename.test.file0";
27 auto TEST_FILEPATH0 = libc_make_test_file_path(FILENAME0);
28
29 int fd = LIBC_NAMESPACE::open(TEST_FILEPATH0, O_WRONLY | O_CREAT, S_IRWXU);
30 ASSERT_ERRNO_SUCCESS();
31 ASSERT_GT(fd, 0);
32 ASSERT_THAT(LIBC_NAMESPACE::close(fd), Succeeds(0));
33 ASSERT_THAT(LIBC_NAMESPACE::access(TEST_FILEPATH0, F_OK), Succeeds(0));
34
35 constexpr const char *FILENAME1 = "rename.test.file1";
36 auto TEST_FILEPATH1 = libc_make_test_file_path(FILENAME1);
37 ASSERT_THAT(LIBC_NAMESPACE::rename(TEST_FILEPATH0, TEST_FILEPATH1),
38 Succeeds(0));
39 ASSERT_THAT(LIBC_NAMESPACE::access(TEST_FILEPATH1, F_OK), Succeeds(0));
40 ASSERT_THAT(LIBC_NAMESPACE::access(TEST_FILEPATH0, F_OK), Fails(ENOENT));
41 }
42
TEST(LlvmLibcRenameTest,RenameNonExistent)43 TEST(LlvmLibcRenameTest, RenameNonExistent) {
44 using LIBC_NAMESPACE::testing::ErrnoSetterMatcher::Fails;
45
46 constexpr const char *FILENAME1 = "rename.test.file1";
47 auto TEST_FILEPATH1 = libc_make_test_file_path(FILENAME1);
48
49 ASSERT_THAT(LIBC_NAMESPACE::rename("non-existent", TEST_FILEPATH1),
50 Fails(ENOENT));
51 }
52